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Hugh Richard Louis Grosvenor is the full name of Hugh Grosvenor, the 7th Duke of Westminster. He is a British billionaire and landowner who inherited the title and estate in 2016 at the age of 25. Grosvenor is one of the richest people in the United Kingdom, with an estimated net worth of over £10 billion. He is also a prominent philanthropist and supports a variety of charitable causes.